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2222244649 = 41894091489
BaseRepresentation
bin1000010001110100…
…1100001100101001
312201212112201120101
42010131030030221
514022343312044
61004302225401
7106032524242
oct20435141451
95655481511
102222244649
11a40443329
12520285261
1329551c681
141711cbcc9
15d0162cd4
hex8474c329

2222244649 has 16 divisors (see below), whose sum is σ = 2309202000. Its totient is φ = 2137006080.

The previous prime is 2222244631. The next prime is 2222244667. The reversal of 2222244649 is 9464422222.

It is an interprime number because it is at equal distance from previous prime (2222244631) and next prime (2222244667).

It can be written as a sum of positive squares in 8 ways, for example, as 270372249 + 1951872400 = 16443^2 + 44180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2222244649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222244949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491697 + ... + 1493185.

It is an arithmetic number, because the mean of its divisors is an integer number (144325125).

Almost surely, 22222244649 is an apocalyptic number.

It is an amenable number.

2222244649 is a deficient number, since it is larger than the sum of its proper divisors (86957351).

2222244649 is a wasteful number, since it uses less digits than its factorization.

2222244649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028.

The product of its digits is 110592, while the sum is 37.

The square root of 2222244649 is about 47140.6899504027. The cubic root of 2222244649 is about 1304.9602702682.

The spelling of 2222244649 in words is "two billion, two hundred twenty-two million, two hundred forty-four thousand, six hundred forty-nine".

Divisors: 1 41 89 409 1489 3649 16769 36401 61049 132521 609001 1492441 5433361 24969041 54201089 2222244649